Aeroplane landing and arresting apparatus



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AEROPLANE LANDING AND ARRESTNQ APPARATUS Filed Dec. 8, 1925 l v s sheets-Sheena Patented Nev. 16, 1926. f .i

` HT i,

THOMAS J. CAHILL, or PHILADELPHIA, PENNSYLVANIA.

AEROPLANE LANDING AND ARRESTING AIPARATUS.

' Application filed December This invention relates to-aeroplane landing and arresting apparatus and its objects. are to provide apparatus of comparatively siinple construction which may be readily constructed above the deck of a ship, on the roof of a building orin the ield; by which the speed of a 'landing aeroplane may be gradually retarded ,and the vaeroplane brought to rest within ashort distance; which may be adjusted to gradually bring the aeroplane to, rest within any desired dis` tancegjvhich will always be set for arresting an aeroplane, and which willsecurely hold and serve aspan anchorage for one ormore aeroplanes after arresting them.

These objects, and other advantageous ends which. will be described hereinafter, I attain in the following manner, reference being hadto the accompanying drawings in which A Figure 1 is a plan View of an apparatus constructed in accordance with my invention showing an aeroplane thereon.

Figure 2 an enlarged fragmentary sectional plan view of the apparatus shown inl Fig` ure 1, y

Figure 3 a 'section on line 3 3 of F igure 2,

Figure 4 ure 2, p

Figure 5 a section on line 5-5 of Figure 1,

Figure 6 a fragmentary side View Of the aeroplane having an 'element of my invention secured thereto, and.

Figure 7 a section on line 7-7 of Figure 6. l

Referring to the drawings, 1 indicates an aeroplane, 2 a frictional member which may be suspended from the aeroplane in any manner, and 3 an arresting and landing a section on line of Fig-.

platform which when the aeroplane alights thereon, is slidably en aged bv the frictional member 2. The rc'tion produced between the platform and the frictional member gradually retards the speed of the aeroplane so that it comes' to rest within a short distance after landing.

The frictional member 2,A for simplicity and clearness of illustration, is shown as secured to the under side of the body of the. areoplane, but it will function equally well when pivotally or movably suspended from -any other part of the aeroplane. The frictional member has a shank 4 and a laterally disposed plate 5 .thereon with its' advance s, 1925. serial Nef/sazial l,

end 6 pointed,and the upper and lower faces -of the plate tapered toward the. point so that it will' readily ind its way under the overlapping plates of the platform. l i

Theplatform consists of a supporting fplate 7 and a plurality of spaced. series of overlapping plates 8 yieldingly secured thereto. The overlying.v end 9 of each ove-rlapping plate is pointed and slightly bent upwardly so that point 6, of thel lateral plate, will readily slide under the overlapping plates, and the 'shank 4 will be guidedinto a ,guideway 10 l formed by the spacing'of the series of overlapping plates as shown in Figures l and 2.

The overlapping plates 8 are yieldingly secured to supporting'plate 7 by studs 1'1 depending from the overlapping plates and passing. through the supporting plate, and

-coiled springs 12 interposed between the un-4 der side of the supporting plate and nuts- 13 on the studs.' The tension placed yon the springsgradually increases from the land- 'ing end of the platform to .the stoppi'ngend as shown in Figure 5, so that the frictional force produced on the frictional member due .to the pressing action of the overlapping plates, is graduallye'increased toward the stopping end.

A platform of this type may be readily constructed above the deck ofa'ship,on the will retard its speed and bring the aeroplane to rest. The 4:frictional force is produced by coiledsprings 12 tendingt'o vforce the overlapping plates downwardly against the lateral plate 5. Having the tension of the springs gradually increased from the landing to thestopping end of the platform, produces a frictional force which will gradually stop the aeroplane within a comparatively short distance. This frictional force may be varied by turning nuts 13 so as to brin the aeroplane to rest within any desire distance. After the aeroplane has come to rest, the frictional member 2'will be its ,ping plates, theJ frictional force produced y and wi-ll thus held tightly Aunder the overlapping plates 8 p anchor the aeroplane to the platform. I

It will be seen that the landing andv arresting platform above set forth w1ll always be set for arresting'an aeroplane, and-thus avoid the necessity of resetting the apparatus after an aeroplane makesa landing, as

is required of theold arresting apparatus now 1n use.

While I have described my invention as taking a particular 'or`m-;-it will be understood that the various parts may be changed without departing from the spirit thereof,` l and hence I do not limit myself to'the pre--v y cise construction set forth; but consider that' I am. at liberty to make such changes and .alterations as vfairly come within the scope l of the appended claims. e

Having thus described my invention, what I claim as new and desire to secure by4 Letters Patent is T n 1. Apparatus for arresting aeroplanes including a frictional sliding member adapted to be suspended from the aeroplane; a sup- Aport, and a plurality of spaced series'of overlapping plates yieldingly secured to the support, the overlying end of each plate beingformed'to guide the member under and between a pair ofsaid series .of plates.

' 2. Apparatus for arresting aeroplanes in-.f

cluding a frictional sliding member adapted to be suspended Mfrom the aeroplane; a support and a plurality of spaced series of overlapping plates yieldingly secured to the supy port, the overlying end of each plate being pointed Aand bent upwardly to guide the member underand 4between a pair of said series of plates. v

3. Apparatus for arresting aeroplanes including a frictional sliding member adapted to be suspended from'the aeroplane; a supporting plate; a pluralityof spaced series of overlapping plates; studs secured to the overlapping plates and `passing through'the supporting plate, and resilient means for connecting the studs to the supporting plate; the overlying ends of the overlapping plates being formed to guide the member under I and between a pair of said series of plates.

4. Apparatus for arresting aeroplanes in-. cluding a frictional sliding memberadapted to be suspended from the aeroplane; a supporting plate; a plurality of'spaced series of overlapping plates; studs Secured to the overlappmg plates and passing through the supporting plate; springs on the studs, and adjusting members on the studs for compressing the springs against the supporting plate, the overlying ends of the overlapping plates being lformed to guide the member under and between a pair of said series of plates. f l

5. Apparatus for'ai'resting aeroplanes including a frictional sliding member adapted vt0 be suspended from the aeroplane, said member having a laterally disposed plate; a support, and a plurality of spaced series of overlapping plates ieldingly secured to the support, the overlylng endsof the plates being formed to guide the laterally disposed Y ormed to guide the laterally disposed platel under the overlapping plates.

In testimony whereof I have signed my name to this specification.

THOMAS 'Jg CAHILL. 

